When you are travelling，bring a map because it help you．（ ）
| A． |
can't |
B． |
mustn't |
C． |
used to |
D． |
may |
long sentence！ （ ）
| A． |
What |
B． |
What a |
C． |
How |
Your father went to the park yesterday， ？
Yes，he did．（ ）
| A． |
didn't he |
B． |
doesn't he |
C． |
did he |
I wondered （ ）．
| A． |
where had he gone |
| B． |
where he had gone |
| C． |
where had he been |
Mr．Green is old to carry the heavy box．（ ）
| A． |
to |
B． |
very |
C． |
too |
You can ask Liu Mei with you．（ ）
| A． |
go |
B． |
to go |
C． |
going |